[1][2][3] His arrangement of the periodic table was based on the electronic structure of each element,[4] and was used in Costa Rican schools.
He was head of the Chemical Laboratory of the Ministry of Agriculture and Livestock (Laboratorio Químico del Ministerio de Agricultura y Ganadería) from 1948-1956.
He was the founding Director of the Center for Agronomic Research (Centro de Investigación Agronómica, CIA) from 1956-1960, and Dean of the Faculty of Sciences and Letters from 1965-1971.
His arrangement is based on the electronic structure of the elements, which allows for the placement of the lanthanide and actinide series in a logical sequence according to their atomic number.
[1] Gil Chaverri Rodríguez died at the Hospital México, San José, Costa Rica on May 27, 2005.